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Strength of forensic voice comparison evidence from the acoustics of filled pauses
2016
International Journal of Speech Language and The Law
This study investigates the evidential value of filled pauses (FPs, i.e. um, uh) as variables in forensic voice comparison. FPs for 60 young male speakers of standard southern British English were analysed. The following acoustic properties were analysed: midpoint frequencies of the first three formants in the vocalic portion; ÔdynamicÕ characterisations of formant trajectories (i.e. quadratic polynomial equations fitted to nine measurement points over the entire vowel); vowel duration; and
doi:10.1558/ijsll.v23i1.29874
fatcat:vgobidshpzcy3fpt6l2igp23fu